Make Ahead Tip: Prepare filling up to 2 days ahead; refrigerate until ready to use.
Equipment: Panini maker (or see Tip)
To make panini on the stovetop, heat 1 teaspoon oil in a large nonstick skillet over medium heat. Place 2 sandwiches in the pan. Place a medium skillet on top and add four 15-ounce cans to weight it down. Cook the sandwiches, turning once, until golden brown, 2 to 3 minutes per side. Repeat with the remaining sandwiches.
2 starch, 3 vegetable, 1 high fat meat, 1 fat